DIN EN 61223-3-4:2001
医疗放射科评定和常规试验.第3-4部分:验收试验.牙科X射线设备的成像性能
Evaluation and routine testing in medical imaging departments - Part 3-4: Acceptance tests; Imaging performance of dental X-ray equipment (IEC 61223-3-4:2000); German version EN 61223-3-4:2000